Advice on Encoding Audio for Dolby 5.1
Hi: I am attempting my first DVD SP project with 5.1 audio. I have a few questions that I was hoping someone could help me with.
I understand enough to use Compressor to create .m2v and .ac3 files for import into DVD SP. I also understand how to set Audio Coding Mode in the Inspector to: 3/2 (L,C,R,Ls,Rs) with LFE enabled.
I am starting from a large Quicktime file with 12 tracks, of which 10 are audio tracks (including the Music and Effects tracks).
I would like to create an option for the viewer to select Stereo or 5.1 surround. I understand that I can encode the audio twice: once for stereo and once for 5.1, and that I can assign the appropriate audio stream to the button when I build the menu.
But here is my question: do I need to extract the 6 audio tracks from the quicktime and encode them separately, or is Compressor smart enough to select the correct tracks depending on the options I choose in the Inspector prior to encoding?
I hope that makes sense. Thank you in advance for any assistance.
The answer to this question is yes: I extracted the six tracks separately from the quicktime file also including the timecode track with each extraction.
After saving the six separate files - LT, RT, Center, LFE, Rs and Ls - choose the "Add Surround" option and assign the tracks accordingly. Compressor has an audio preset for encoding these files into on AC3 file.
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IDVD freezes when encoding audio for "processing movies"
what's wrong?
Hello Dafire,
maybe this:
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http://discussions.apple.com/thread.jspa?threadID=494268&tstart=0
or check here:
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http://discussions.apple.com/thread.jspa?threadID=501555&tstart=0
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I use Windows Movie Maker to encode my exports to DVD. This software does not accept MP4 but it seems to accept a variety of other files and one is WMV. I first exported a WMV clip from Premiere at 1920x1080 (the raw video and graphics are also in that size). Then I exported another WMV clip to 1280x720. I just wanted to see what both of them look like on a DVD during play back.
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Here is what the1280 WMV looks like when it's played back on my desktop computer in Windows Media player. As you'll see everything looks very clean:
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CS5-thru-CC PPro/Encore tutorial list http://forums.adobe.com/thread/1448923 may help -
I am new to mac, this is my 3rd attempt to burn my first movie. Have read the articles about waiting overnight and are doing this as a disk image... but it has been encoding audio for more than 18 hours and the length of time since starting the process is over 24 hours. Is this normal or do I have an issue?
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Encoding Audio - Solution that worked for me
Hi all,
As some of you may or may not have known, i was having trouble with my iDVD project hanging at the encoding audio stage for about 24 hours.
Yesterday i decided to try out a suggestion that i had seen on another thread somewhere. Appologies as i cannot recall where i saw it. However it worked for me.
This is what i did
I saved my iMovie project as normal (containing 160 clips and 5 songs from my iTunes library) and then closed iMovie.
I then opened up iDVD and chose 'new project'. I selected the theme i wanted, and then i opened up the 'DVD map' function. I then clicked the plus sumbol and chose 'add new movie'. I then opened up finder, browsed to my iMovie project file and dragged it into the tile i had just created.
All the scene menus populated as it would have done if i had 'exported' to iDVD from iMovie. I then added some background pictures etc, and burnt the project to 'disc image'.
The audio encoding part hung for about 2 hours as normal with the beach ball of death but i could see that the iDVD project file in finder was getting larger (a helpful tip that several of you taught me).
Then the beachball dissapeared and the encoding bar began to fill up blue. And then the image was created.
All in all it took 4 hours which, for a workaround is fine by me (although a fix would make me happier)
So i think the trick was to not use the 'export/share to iDVD' option in iMovie.
On a side note. This method also eradicated the audio lagging that i was experiencing before where the songs at the end of the project were suddenly 2 seconds behind the film when viewed in iDVD.
I hope that this method works for others experiencing this frustrating problem.
Kind regards
LJHi M
Thank You for stating an advice I often give as so many else does.
Nice to see that it works for You to.
And a good and well writted description !
All Good Luck !
Yours Bengt W -
Dolby Advanced Audio for Pavilon G4 2306tx
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Hi,
If you are looking for a new driver for your sound card, i would suggest you to use DriverIdentifier (http://www.driveridentifier.com) to search for drivers, it's a very small tool but their database is very large. It's free.
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Seeking LR5 Solution for Dolby 5.1 sound
Many AVCHD video cameras (including models from SONY and Panasonic) have the ability to record Dolby 5.1 surround sound.
These sound tracks can be played on any Windows 7 system with Windows Media Player. They can be played and edited in Premiere CS6 and (I think) also Premiere Elements.
UNFORTUNATELY Lightroom has no codec for Dolby 5.1 sound. Therefore any video recorded with Doolby 5.1 sound encoding is SILENT when played in Lightroom! Furthermore, such video clips published from Lightroom are typically also without sound (unless publishing the unedited clip in original format).
Adobe seems unwilling to pay the licensing fees to Dolby Labs to include this playback capability. Surprising, and disappointing.
This problem was there from the beginning in LR4. It appears that LR5 is no better (for this problem).
Has anyone found a good solution or workaround? It seems silly that it can't work better. Is anyone offering a plug-in to enable Dolby 5.1 sound playback?I'm facing exactly the same problem... I'm very disappointed since this problem has been reported to Adobe at the early beginning of LR4 and they haven’t change anything with LR4 RC1/2 or LR5. I see basically two ways for a workaround:
1) Import the original files and find a way to enable LR to payback Dolby 5.1
2) Convert the original files before importing them into Lightroom
1) That is definitively the best way since we don't touch the original data, but I'm not sure such a plug-in exist. This way would even be better if we assume that one day Adobe will enable Dolby 5.1 playback within LR.
2) That is probably the only possible way. I've done some testing; it is really time consuming and worst the original data will be changed.
>> Does anybody have any good advice for converting files?
Lee Jay a écrit:
I guess my approach would be to use a transcoder like MediaCoder or Handbrake to copy the video (direct stream copy, no transcoding) while stripping the audio down to two channels.
>> What do you mean eaxtly with "direct stream copy no transcoding" ? -
When Burning IDVD hangs at Encoding Audio
I have a 2 GHz PowerPC G5 iMac
1.5 GB DDR SDRAM
SuperDrive - Double Layer dvds
This is my first time using IDVD - I have a 2 hour movie that I am trying to burn.
It hangs and gives me the multicolored wheel when it is trying to encode the music during the burn process. It took about 5 hours to get to the point that it is now, and then an extra 3 since the multicolored wheel has been up. I have read other posts and some say, let it spin, and eventually it will finish. But I am not sure if they mean when the multicolored wheel is showing. Does anyone know what I need to do? I am desperate for HELP!!Strange how I can't edit my post now even though it's only been half an hour...
I checked on the progress of the burn and the audio was finally encoded after about five to ten minutes of the "spinning lollipop". It said it was encoding the audio and seemed to hang, but when I went back to check on it the DVD was already burned. I looked for other advice on these boards and people recommend taking the MOV file from your iMovie project and dumping that directly into iDVD instead of exporting from iMovie to iDVD. To do that, control-click (or right-click) on your iMovie project icon in the Finder. Go to Shared Movies > iDVD and find the MOV file in that folder.
Many people have had this problem with iDVD hanging at the "Encoding Audio" stage, but if you leave it long enough, it will eventually finish. I think it's just a bug with the progress bar.
Good luck.
P.S. the movie that I was burning is only about 7 minutes long. I had first tried burning it from my PowerMac G4 but moved to an iMac G5 for my final attempt at burning and it now works. The first time around on the G4 the audio never finished encoding but after moving the iDVD project (and all the support files), it burned the DVD without any problems. -
Converting 2 channel audio from AVCHD to 5.1 audio for bluray
Hello,
I am looking to put AVCHD video files (*.MTS) containing 5.1 audio and 2-channel (stereo) audio onto bluray. I would like to convert the 2 channel audio to 5.1 audio, so that all of the files can be encoded onto bluray with 5.1 audio in Encore. I am using Premiere Pro CS6 version 6.0.3. I have tried to bring the MTS files into Premiere Pro, and convert stereo audio to 5.1 using Audition. However when the file is exported to Encore, upon transcoding there is no audio. Please let me know what is the best way to resolve this. Also, would I require something like Surcode plugin, or are there other ways to get around this? Thanks."Hi seaspray07,
"Hope this clarifies."
sorry it doesn't - it confuses me and I don't get why you want to do it this complicated way ;-)
1. If you have problems try to simplify your workflow. Why do you try to work with dynamic link in Encore? This isn't the classic route and I don't see why you need it in this case.
2. In a classical workflow you load final encoded audio and video files in Encore - in this case a .m4v and a .ac3 file encoded in Adobe Media Encoder.
3. To get this files you create a Premiere timeline with 5.1 master audio and load your clips onto it.
For all 5.1 clips Premiere will create a 5.1 audio track. For all stereo clips Premiere will create a stereo audio rack.
--> Keep in Mind you can't export a premiere audio track. That isn't possible even though this would be handy in a lot of situations. You alway only export the master audio track of a timeline. That master audio track get's it input from all audio tracks of a timeline. If there is a 5.1 audio track 6 channes are mixed to the master audio - if it's only a stereo track only L, R get's mixed up to the 5.1 master.
The master audio track is what you can hear if you play back a timeline.
4. Why do you want to convert stereo audio tracks into 5.1 audio tracks in the timeline? It needs much more filesize/ ram slows down your playback and gives you a unhandy viewing with lots of emty audio channels... Why dont store and view a stereo track as a stereo track?
5. If you have placed your stereo and 5.1 audio tracks on the timeline you can export the final mix via Adobe Media Encoder with the Surcode plugin as Dolby Digital 5.1 .ac3
"I sent the audio to Audition because I wanted to modify the audio file from stereo to 5.1, and bring it back into PrPro to combine with the video clip from the corresponding MTS file..."
That doesn't make any sense... because Premiere does it automatically for you without Audition. You simply have to do nothing - just place your stereo clip on the timeline and ready.
If you want to use Audition you have to have a real reason for it - for example do extensive audio work and mastering Tasks - conform it to R128 loudness or something like that.
Does this make sense to you? ;-) -
IDVD does crash when encoding audio
I have been reading a large number of posts regarding iDVD freezing, having a spinning beachball, and hanging while encoding audio. I have not been able to find a post where it discusses the crashing/unexpected quitting of iDVD. I have tried a couple of times to get the burning process started, as I thought it may have been a small glitch, but to no avail.
Should I follow the steps marked out in:
http://discussions.apple.com/thread.jspa?threadID=335417&tstart=30
I usually complete the final process of iDVD with all Energy Saving and Screen Saver preferences set to "Never". I usually would delete encoded assets, but I did not have time before I went to work to try a third time.
This is the first time it has happened to me and I have completed about three projects successfully since updating to iDVD 6.0
Thanks in advance for your assistance.
RodgerSUCCESS (But it took a while!)
When I arrived home form work, the first thing I did was to remove Flip4Mac using its uninstaller. This had no effect. iDVD still crashed bringing up the crash report dialogue box.
So I followed the instructions from http://discussions.apple.com/thread.jspa?threadID=335417&tstart=30
I also repaired permissions (nothing to report there) and deleted encoded assests. Finally, I replayed my DVD project in the iDVD's preview/test section. The audio was out with the video. For some strange reason, my brain told me that the syncing between audio and video was the main thing to blame. So, I had a quick think and decided to remove all the fade ins and fade outs from my original iMovie project, remove all chapter markers, save the project, replace the chapter markers and then open the original iDVD file shared from this iMovie project. Then, clicked OK to update file to match, deleted encoded assests.
I do not know which part worked for me, but I woke this morning with a completed DVD (which is still to be tested in a DVD player).
Thanks for all the assistance and advice, I'll keep this post unresolved in case someone else has a full crash of iDVD.
Rodger GW
PS I think Apple are a little sick of seeing my crash report coming through with the answer to "What were you doing when the application crashed?" being "Just trying to encode audio!!"
RGW -
Hi - I have a movie about 1hr 15mins and I'm trying to save as a disc image.
Usually it is fine but the encoding of audio is proving hazardous this time.
It takes hours and then I get the multicoloured beachball when I attempt to move the mouse.
Any thoughts on how long this should take or how long I should give it before trying something else. What else could I try?
Its all ilife produced
I have £900 riding on this!!
Help
Pete in sunny LondonJust add to Bengt's good advice:
Encoding audio is the slowest part of rendering, and can take many hours. Great patience, even an intermittent alternative hobby, is called for.
Make sure no other application is running, make sure you have not set the hard disk to go to sleep and that the screen saver will not come on. Leave it overnight, or have a 36 hole game of golf.
Sooner or later iDVD will finish! -
Newbe requests help with audio for slide-show on Premiere Elements 4.
I recently wrote you regarding a problem I was having with a slide show I was making on Premiere Elements 4 importing photo clips and music from PhotoShop Elements 9. Thank you for your help.
This very large slide show, some 200 clips that I have not resized is completed. I am now having many problems with the music audio I am adding to various sequences of the slide show. Specifically:the audio will not stay fixed on the places where I put it and end it. Working on the Timeline Usually the length of the audio is shorter than the ending of the photo clips where it must go. I click on the audio and stretch it and end it at the place I designate. However, the other end has moved also so now I am left with a gap where there is no audio at the beginning of the segment. Now in addition, the "Delete and Close Gap" does not work most of the time causing me to manually move the photo tiles which sometimes move when this happens. I have to move each one or two individually to the left to close the gap and many times this causes loss of one or two photo tiles or they are out of order or have increase in number (of the one I am moving).
The program has also shut down for the past 10 days causing me to lose a good deal of work and sometimes photo clips and sometimes I get many duplicates of the photo clips. All I do is edit mostly the same two segments doing this over and over because I can't proceed to importing any more music because I can't get the first segments correct. I have chatted with you people, Sony techs, Microsoft Techs and Canon Techs. The Sony techs suggested the program was at fault and I used the original installation disk and repaired the program. It has still shut down on me but not as much.
I got error messages on the photo-cap instructions page you suggessted otherwise I would show pictures of the above problems.
I tried to copy and/or cut and paste from the Timeline thinking I would start a new slide show in PhotoShop Elements 9 using the same photos in reverse. The program would not let me copy or paste. There is great difficulty in highlighting the photo tiles in Timeline because I have to shift click on each individual tile and there are too many tiles and it would take too long to get a whole segment copied. Maybe you know another way to do this?
I am at a stand-still now and I am quite despondent because I have been working on this slide-show for 3 months and it was a surprise for my daughter's 25th anniversary that was last Tuesday.
I do hope you have some good suggestions that will lelt me complete this Project and get it on a disk. I am not that technical so please be specific.
Thanks in advance.
KathyHere's the basic advice I'd give, based on my experience. Much depends, though, on your goals and the specifics of your computer system:
1) Resize all of your photos to no larger than 1000x750 pixels in size. This is VITAL if you want the program to maintain stability as you work. Also render often (by pressing the Enter key). When the render, the red lines above the clips on your timeline will turn green and the program will run much more efficiently.
2) Work on your large slideshow project in shorter segments. You've got over 15 minutes worth of slides. Try working on this slideshow in 5 minute segments, output each segment and then combined the finished videos.
3) Use only WAV audio as your music and audio for your slideshow.
4) When you add video, audio or stills to a parallel track on your timeline, hold down the Ctrl key to override the ripple function and your current clips will remain in place.
5) Maintain your computer by using a tool like the excellent, free, one-click Advanced System Care available at http://www.iobit.com/advancedsystemcareper.html
As for Delete and Close Gap, how it performs depends on whether you've selected Clear or Delete, whether you've pressed the Backspace key or the Delete key and if there is video or audio on a parallel track. (This is all covered in my books, by the way, if you're interested.)
Without knowing the specifics of your project and your situation, it's hard to give out more specific information -- but this advice should get you a long way toward completing your project! -
Idvd freezing before it starts encoding audio
Hi everyone, i was wondering if someone could help me with a problem i'm having with idvd. Everytime (6 times so far) my dvd is encoding the video it will suddenly freeze just before it starts audio encoding. What does this mean and is there any way to prevent it?
This question is frequently asked!
iDVD is probably not 'hanging'. Disregard any messages that iDVD is not responding. It is. Do not force quit.
Encoding audio is the slowest part of rendering, and can take many hours. Great patience, even an intermittent alternative hobby, is called for.
Make sure no other application is running, make sure you have not set the hard disk to go to sleep and that the screen saver will not come on. Leave it overnight, or have a 36 hole game of golf.
Sooner or later iDVD will finish! -
IDVD Application stops responding when encoding audio from Imovie. Any suggestions would be helpful. I've made IDVD projects successsfully before, but can not get this project past audio encoding. I've tried exporting and sharing - but no avail.
iMovie help screen advises - "For the best compatibility with iMovie HD transitions, effects, titles, and the Ken Burns Effect, you should record your video with 48 kilohertz (kHz), 16-bit audio. Check your camera's manual for instructions on setting the audio bit rate and depth."
I’ve experimented with a ten minute movie with added audio. I set the sample rate at 48,000 khz and experienced no audio encoding stalling in iDVD.
So, if you use music you imported into iTunes, make sure the iTunes preference is set at 48,000 khz. The default is 44K.
With your present iMovie project, export as Quicktime and select "Expert Settings", click on "Options", click on "Sound settings" and set the sample rate at 48,000 khz and the sample size at 16 bit. (Also make sure the Video is set for DV/DVCPRO). Once you have this exported version of your movie, insert it into a new iMovie project, add chapters, and then go to iDVD. I can’t guarantee it will work but its worth trying.
Previously, I suggested to people to export to a DV format video camera and then insert the movie into a new iMovie project. It would result in quick audio encoding in iDVD. I recently found that my video camera exports the sound at the 48K khz sample rate, further supporting that the problem maybe the sample rate.
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